gmp_div_q
(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
gmp_div_q — Divide numbers
說明
Divides num1 by num2 and
returns the integer result.
參數
-
num1 -
The number being divided.
GMP 對像或 int ，或數字string。
-
num2 -
The number that
num1is being divided by.GMP 對像或 int ，或數字string。
-
rounding_mode -
The result rounding is defined by the
rounding_mode, which can have the following values:-
GMP_ROUND_ZERO: The result is truncated towards 0. -
GMP_ROUND_PLUSINF: The result is rounded towards+infinity. -
GMP_ROUND_MINUSINF: The result is rounded towards-infinity.
GMP 對像或 int ，或數字string。
-
返回值
GMP 對象。
範例
示例 #1 gmp_div_q() example
<?php
$div1 = gmp_div_q("100", "5");
echo gmp_strval($div1) . "\n";
$div2 = gmp_div_q("1", "3");
echo gmp_strval($div2) . "\n";
$div3 = gmp_div_q("1", "3", GMP_ROUND_PLUSINF);
echo gmp_strval($div3) . "\n";
$div4 = gmp_div_q("-1", "4", GMP_ROUND_PLUSINF);
echo gmp_strval($div4) . "\n";
$div5 = gmp_div_q("-1", "4", GMP_ROUND_MINUSINF);
echo gmp_strval($div5) . "\n";
?>
以上例程會輸出：
20 0 1 0 -1
註釋
注意:
This function can also be called as gmp_div().
參見
- gmp_div_r() - Remainder of the division of numbers
- gmp_div_qr() - Divide numbers and get quotient and remainder